package com.tanhua.server.service;


import com.alibaba.dubbo.config.annotation.Reference;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.tanhua.dubbo.server.api.UserLikeApi;
import com.tanhua.dubbo.server.api.UserLocationApi;
import com.tanhua.dubbo.server.pojo.RecommendUser;
import com.tanhua.dubbo.server.vo.PageInfo;
import com.tanhua.dubbo.server.vo.UserLocationVo;
import com.tanhua.server.enums.SexEnum;
import com.tanhua.server.pojo.Question;
import com.tanhua.server.pojo.User;
import com.tanhua.server.pojo.UserInfo;
import com.tanhua.server.utils.UserThreadLocal;
import com.tanhua.server.vo.NearUserVo;
import com.tanhua.server.vo.PageResult;
import com.tanhua.server.vo.RecommendUserQueryParam;
import com.tanhua.server.vo.TodayBest;
import org.apache.commons.lang3.RandomUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;

import java.util.*;

/*
 * @description:
 * @program: mytanhua
 * @author: Leon
 * @date: 2021-01-31 10:36
 */
@Service
@SuppressWarnings("all")
public class TodayBestService {

    @Autowired
    private UserService userService;

    @Autowired
    private RecommendUserService recommendUserService;

    @Value("${tanhua.sso.default.user}")
    private Long defaultUser;

    @Autowired
    private UserInfoService userInfoService;

    @Value("${tanhua.sso.default.recommend.users}")
    private String defaultRecommendUsers;

    @Autowired
    private QuestionService questionService;

    @Autowired
    private RestTemplate restTemplate;

    @Value("${tanhua.sso.url}")
    private String ssoUrl;

    @Reference(version = "1.0.0")
    private UserLocationApi userLocationApi;

    @Reference(version = "1.0.0")
    private UserLikeApi userLikeApi;

    @Autowired
    private IMService imService;

    private static final ObjectMapper MAPPER = new ObjectMapper();

    public TodayBest queryTodayBest(String token) {
//        验证token
        User user = userService.queryUserByToken(token);
        if (user == null){
//            token非法或者过期
            return null;
        }
//        查询今日佳人
        TodayBest todayBest = recommendUserService.queryTodayBest(user.getId());
        if (todayBest == null){
//        未查询到则采用默认推荐
            todayBest = new TodayBest();
            todayBest.setId(defaultUser);
            todayBest.setFateValue(80L);
        }
//        补全数据
        UserInfo userInfo = userInfoService.queryUserInfoByUserId(todayBest.getId());
        todayBest.setNickname(userInfo.getNickName());
        todayBest.setAge(userInfo.getAge());
        todayBest.setAvatar(userInfo.getLogo());
        todayBest.setTags(StringUtils.split(userInfo.getTags(),","));
        todayBest.setGender(userInfo.getSex().getValue() == 1?"man":"woman");
        return todayBest;
    }


   /*
     *
     * @param token
     * @return
     */
    /*public PageResult queryPageResult(String token, RecommendUserQueryParam param) {

        //        验证token
        User user = userService.queryUserByToken(token);
        if (user == null){
//            token非法或者过期
            return null;
        }

        PageResult pageResult = new PageResult();
        pageResult.setPage(param.getPage());
        pageResult.setPagesize(param.getPagesize());

        PageInfo<RecommendUser> pageInfo = recommendUserService.queryRecommendUserList(user.getId(),param.getPage(),param.getPagesize());
//        获取数据集合
        List<RecommendUser> records = pageInfo.getRecords();
        if (CollectionUtils.isEmpty(records)) {
            //没有查询到推荐的用户列表
            return pageResult;
        }

        //填充个人信息

        //收集推荐用户的id
        Set<Long> userIds = new HashSet<>();
        for (RecommendUser record : records) {
            userIds.add(record.getUserId());
        }

        QueryWrapper<UserInfo> queryWrapper = new QueryWrapper();

        //用户id参数
        queryWrapper.in("user_id", userIds);

        if (StringUtils.isNotEmpty(param.getGender())) {
            //需要性别参数查询
            queryWrapper.eq("sex", StringUtils.equals(param.getGender(), "man") ? 1 : 2);
        }

        if (StringUtils.isNotEmpty(param.getCity())) {
            //需要城市参数查询
            queryWrapper.like("city", param.getCity());
        }

        if (param.getAge() != null) {
            //设置年龄参数，条件：小于等于
            queryWrapper.le("age", param.getAge());
        }

        List<UserInfo> userInfos = userInfoService.queryUserInfoList(queryWrapper);

        if (CollectionUtils.isEmpty(userInfos)){
            //没有查询到推荐的用户信息
            return pageResult;
        }

        List<TodayBest> todayBests = new ArrayList<>();
        for (UserInfo userInfo : userInfos) {
            TodayBest todayBest = new TodayBest();
            todayBest.setId(userInfo.getUserId());
            todayBest.setAvatar(userInfo.getLogo());
            todayBest.setNickname(userInfo.getNickName());
            todayBest.setTags(StringUtils.split(userInfo.getTags(), ','));
            todayBest.setGender(userInfo.getSex().getValue() == 1 ? "man" : "woman");
            todayBest.setAge(userInfo.getAge());

            //缘分值
            for (RecommendUser record : records) {
                if(record.getUserId().longValue() == userInfo.getUserId().longValue()){
                    double score = Math.floor(record.getScore());//取整,98.2 -> 98
                    todayBest.setFateValue(Double.valueOf(score).longValue());
                    break;
                }
            }

            todayBests.add(todayBest);
        }

        //按照缘分值进行倒序排序
        Collections.sort(todayBests, (o1, o2) -> new Long(o2.getFateValue() - o1.getFateValue()).intValue());

        pageResult.setItems(todayBests);
        return pageResult;
    }*/

    /**
     * 查询推荐用户列表
     *
     * @param queryParam
     * @param token
     * @return
     */
    public PageResult queryPageResult(String token, RecommendUserQueryParam queryParam) {
        //校验token是否有效，通过SSO的接口进行校验
        User user = this.userService.queryUserByToken(token);
        if (null == user) {
            //token非法或已经过期
            return null;
        }

        PageResult pageResult = new PageResult();
        pageResult.setPage(queryParam.getPage());
        pageResult.setPagesize(queryParam.getPagesize());

        PageInfo<RecommendUser> pageInfo = this.recommendUserService.queryRecommendUserList(user.getId(), queryParam.getPage(), queryParam.getPagesize());
        List<RecommendUser> records = pageInfo.getRecords();
        if (CollectionUtils.isEmpty(records)) {
            //没有查询到推荐的用户列表
            String[] split = StringUtils.split(defaultRecommendUsers, ",");
            for (String s : split) {
                RecommendUser recommendUser = new RecommendUser();
                recommendUser.setUserId(Long.valueOf(s));
                recommendUser.setToUserId(user.getId());
                recommendUser.setScore(RandomUtils.nextDouble(70, 99));
                records.add(recommendUser);
            }
            return pageResult;
        }

        //填充个人信息

        //收集推荐用户的id
        Set<Long> userIds = new HashSet<>();
        for (RecommendUser record : records) {
            userIds.add(record.getUserId());
        }

        QueryWrapper<UserInfo> queryWrapper = new QueryWrapper<>();
        //用户id参数
        queryWrapper.in("user_id", userIds);

        if (StringUtils.isNotEmpty(queryParam.getGender())) {
            //需要性别参数查询
//            queryWrapper.eq("sex", StringUtils.equals(queryParam.getGender(), "man") ? 1 : 2);
        }

        if (StringUtils.isNotEmpty(queryParam.getCity())) {
            //需要城市参数查询
//            queryWrapper.like("city", queryParam.getCity());
        }

        if (queryParam.getAge() != null) {
            //设置年龄参数，条件：小于等于
//            queryWrapper.le("age", queryParam.getAge());
        }

        List<UserInfo> userInfoList = this.userInfoService.queryUserInfoList(queryWrapper);
        if(CollectionUtils.isEmpty(userInfoList)){
            //没有查询到用户的基本信息
            return pageResult;
        }

        List<TodayBest> todayBests = new ArrayList<>();
        for (UserInfo userInfo : userInfoList) {
            TodayBest todayBest = new TodayBest();

            todayBest.setId(userInfo.getUserId());
            todayBest.setAvatar(userInfo.getLogo());
            todayBest.setNickname(userInfo.getNickName());
            todayBest.setTags(StringUtils.split(userInfo.getTags(), ','));
            todayBest.setGender(userInfo.getSex().getValue() == 1 ? "man" : "woman");
            todayBest.setAge(userInfo.getAge());

            //缘分值
            for (RecommendUser record : records) {
                if(record.getUserId().longValue() == userInfo.getUserId().longValue()){
                    double score = Math.floor(record.getScore());//取整,98.2 -> 98
                    todayBest.setFateValue(Double.valueOf(score).longValue());
                    break;
                }
            }

            todayBests.add(todayBest);
        }

        //按照缘分值进行倒序排序
        Collections.sort(todayBests, (o1, o2) -> new Long(o2.getFateValue() - o1.getFateValue()).intValue());

        pageResult.setItems(todayBests);

        return pageResult;
    }

    public TodayBest queryTodayBest(Long userId) {
        User user = UserThreadLocal.get();
        TodayBest todayBest = new TodayBest();
        //补全信息
        UserInfo userInfo = this.userInfoService.queryUserInfoByUserId(userId);
        todayBest.setId(userId);
        todayBest.setAge(userInfo.getAge());
        todayBest.setAvatar(userInfo.getLogo());
        todayBest.setGender(userInfo.getSex().name().toLowerCase());
        todayBest.setNickname(userInfo.getNickName());
        todayBest.setTags(StringUtils.split(userInfo.getTags(), ','));
        double score = this.recommendUserService.queryScore(userId, user.getId());
        if(score == 0){
            score = 98; //默认分值
        }
        todayBest.setFateValue(Double.valueOf(score).longValue());
        return todayBest;
    }

    public String queryQuestion(Long userId) {
        Question question = this.questionService.queryQuestion(userId);
        if (null != question) {
            return question.getTxt();
        }
        return "";
    }

    /**
     * 回复陌生人问题，发送消息给对方
     *
     * @param userId
     * @param reply
     * @return
     */
    public Boolean replyQuestion(Long userId, String reply) {
        User user = UserThreadLocal.get();
        UserInfo userInfo = this.userInfoService.queryUserInfoByUserId(user.getId());
        //构建消息内容
        Map<String, Object> msg = new HashMap<>();
        msg.put("userId", user.getId().toString());
        msg.put("nickname", this.queryQuestion(userId));
        msg.put("strangerQuestion", userInfo.getNickName());
        msg.put("reply", reply);
        try {
            String msgStr = MAPPER.writeValueAsString(msg);
            String targetUrl = this.ssoUrl + "/user/huanxin/messages";
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
            MultiValueMap<String, String> params = new LinkedMultiValueMap<>();
            params.add("target", userId.toString());
            params.add("msg", msgStr);
            HttpEntity<MultiValueMap<String, String>> httpEntity = new HttpEntity<>(params, headers);
            ResponseEntity<Void> responseEntity = this.restTemplate.postForEntity(targetUrl, httpEntity, Void.class);
            return responseEntity.getStatusCodeValue() == 200;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    public List<NearUserVo> queryNearUser(String gender, String distance) {
        User user = UserThreadLocal.get();
        // 查询当前用户的位置信息
        UserLocationVo userLocationVo = this.userLocationApi.queryByUserId(user.getId());
        Double longitude = userLocationVo.getLongitude();
        Double latitude = userLocationVo.getLatitude();
        // 根据当前用户的位置信息查询附近的好友
        List<UserLocationVo> userLocationList = this.userLocationApi
                .queryUserFromLocation(longitude, latitude, Integer.valueOf(distance));
        if (CollectionUtils.isEmpty(userLocationList)) {
            return Collections.emptyList();
        }
        List<Long> userIds = new ArrayList<>();
        for (UserLocationVo locationVo : userLocationList) {
            userIds.add(locationVo.getUserId());
        }
        QueryWrapper<UserInfo> queryWrapper = new QueryWrapper<>();
        queryWrapper.in("user_id", userIds);
        if (StringUtils.equalsIgnoreCase(gender, "man")) {
            queryWrapper.in("sex", SexEnum.MAN);
        } else if (StringUtils.equalsIgnoreCase(gender, "woman")) {
            queryWrapper.in("sex", SexEnum.WOMAN);
        }
        List<UserInfo> userInfoList = this.userInfoService.queryUserInfoList(queryWrapper);
        List<NearUserVo> nearUserVoList = new ArrayList<>();
        for (UserLocationVo locationVo : userLocationList) {
            if (locationVo.getUserId().longValue() == user.getId().longValue()) {
                // 排除自己
                continue;
            }
            for (UserInfo userInfo : userInfoList) {
                if (locationVo.getUserId().longValue() == userInfo.getUserId().longValue()) {
                    NearUserVo nearUserVo = new NearUserVo();
                    nearUserVo.setUserId(userInfo.getUserId());
                    nearUserVo.setAvatar(userInfo.getLogo());
                    nearUserVo.setNickname(userInfo.getNickName());
                    nearUserVoList.add(nearUserVo);
                    break;
                }
            }
        }
        return nearUserVoList;
    }


    public List<TodayBest> queryCardsList() {
        User user = UserThreadLocal.get();
        int count = 50;
        PageInfo<RecommendUser> pageInfo = this.recommendUserService.queryRecommendUserList(user.getId(), 1, count);
        if (CollectionUtils.isEmpty(pageInfo.getRecords())) {
            //默认推荐列表
            String[] ss = StringUtils.split(defaultRecommendUsers, ',');
            for (String s : ss) {
                RecommendUser recommendUser = new RecommendUser();
                recommendUser.setUserId(Long.valueOf(s));
                recommendUser.setToUserId(user.getId());
                pageInfo.getRecords().add(recommendUser);
            }
        }
        List<RecommendUser> records = pageInfo.getRecords();
        int showCount = Math.min(10, records.size());
        List<RecommendUser> newRecords = new ArrayList<>();
        for (int i = 0; i < showCount; i++) {
            this.createRecommendUser(newRecords,records);
        }
        List<Long> userIds = new ArrayList<>();
        for (RecommendUser record : newRecords) {
            userIds.add(record.getUserId());
        }
        QueryWrapper<UserInfo> queryWrapper = new QueryWrapper<>();
        queryWrapper.in("user_id", userIds);
        List<UserInfo> userInfos = this.userInfoService.queryUserInfoList(queryWrapper);
        List<TodayBest> todayBests = new ArrayList<>();
        for (UserInfo userInfo : userInfos) {
            TodayBest todayBest = new TodayBest();
            todayBest.setId(userInfo.getUserId());
            todayBest.setAge(userInfo.getAge());
            todayBest.setAvatar(userInfo.getLogo());
            todayBest.setGender(userInfo.getSex().name().toLowerCase());
            todayBest.setNickname(userInfo.getNickName());
            todayBest.setTags(StringUtils.split(userInfo.getTags(), ','));
            todayBest.setFateValue(0L);
            todayBests.add(todayBest);
        }
        return todayBests;
    }

    private void createRecommendUser(List<RecommendUser> newRecommendUserList , List<RecommendUser> records){
            RecommendUser recommendUser = records.get(RandomUtils.nextInt(0,records.size() - 1));
            if (!newRecommendUserList.contains(recommendUser)){
                newRecommendUserList.add(recommendUser);
            }else {
                createRecommendUser(newRecommendUserList, records);
            }
    }

    public Boolean likeUser(Long likeUserId) {
        User user = UserThreadLocal.get();
        String id = this.userLikeApi.saveUserLike(user.getId(), likeUserId);
        if (StringUtils.isEmpty(id)) {
            return false;
        }
        if (this.userLikeApi.isMutualLike(user.getId(), likeUserId)) {
            //相互喜欢成为好友
            this.imService.contactUser(likeUserId);
        }
        return true;
    }

    public Boolean disLikeUser(Long likeUserId) {
        User user = UserThreadLocal.get();
        return this.userLikeApi.deleteUserLike(user.getId(), likeUserId);
    }
}

